List of emoji for git commits. - https://github.com/atom/atom/blob/master/CONTRIBUTING.md#git-commit-messages

commit-emoji.md

• 🎨 when improving the format/structure of the code
• 🚀 when improving performance
• ✏️ when writing docs
• 💡 new idea
• 🚧 work in progress
• ➕ when adding feature
• ➖ when removing feature
• 🔈 when adding logging
• 🔇 when reducing logging
• 🐛 when fixing a bug
• ✅ when adding tests
• 🔒 when dealing with security
• ⬆️ when upgrading dependencies
• ⬇️ when downgrading dependencies

👍